Function im
Get the imaginary part of a complex number.
For a complex number a + bi, the function returns b.
For matrices, the function is evaluated element wise.
Syntax
im(x)
Parameters
| Parameter | Type | Description |
|---|---|---|
x |
number | BigNumber | Complex | Array | Matrix | A complex number or array with complex numbers |
Returns
| Type | Description |
|---|---|
| number | BigNumber | Array | Matrix | The imaginary part of x |
Examples
var a = complex(2, 3);
re(a); // returns number 2
im(a); // returns number 3
re(complex('-5.2i')); // returns number -5.2
re(complex(2.4)); // returns number 0